<div *ngFor="let category of categories">
  {{category.name}}
  </div>

  <hr>

  <div *ngFor="let city of cities">
    {{city.name}}
  </div>
  <div *ngFor="let country of countries">
    {{country.name}}
  </div>

  <hr>
  <div *ngFor="let companion of companions">
    {{companion.type}}
  </div>